Merge pull request #79 from emberjs/note-scroll-position-stickiness

Add a note to the scroll-position example in the dummy app about remembering the scroll position across re-renders

Author: lukemelia

tests/dummy/app/templates/scroll-position.hbs

@@ -15,6 +15,7 @@ Item Width: {{itemWidth}}
 Scroll Left: {{input value=scrollLeft}}
 Scroll Top: {{input value=scrollTop}}
 </p>
+<p>Note: The usage of this component remembers its scroll position. Try it by navigating away from this route and then returning.</p>
 <hr />
 
 <div class="simple-list" style={{{concat 'position:relative;width:' containerWidth 'px;height:' containerHeight 'px;'}}}>